Home / 102,772.27-141,848.61-62,477.50

Finding the Fourth Proportional to 102,772.27, 141,848.61 and 62,477.50

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Solution

The fourth proportional to 102,772.27, 141,848.61 and 62,477.50 is: 86,232.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,772.27 : 141,848.61 = 62,477.50 : x
  2. Step 2: Convert to fraction form
    102,772.27/141,848.61 = 62,477.50/x
  3. Step 3: Cross multiply
    102,772.27x = 141,848.61 × 62,477.50
  4. Step 4: Simplify right side
    102,772.27x = 8,862,346,531.28
  5. Step 5: Solve for x
    x = 8,862,346,531.28/102,772.27
  6. Step 6: Final answer
    x = 86,232.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.